﻿/*
 * Copyright (c) 2015 Nathaniel Wallace
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Wallace.IDE.Framework;
using Wallace.IDE.SalesForce.Document;

namespace Wallace.IDE.SalesForce.Function
{
    /// <summary>
    /// Insert a snippet function.
    /// </summary>
    public class InsertSnippetFunction : FunctionBase
    {
        #region Fields

        /// <summary>
        /// The path for the snippet.
        /// </summary>
        private string _path;

        #endregion

        #region Constructors

        /// <summary>
        /// Constructor.
        /// </summary>
        /// <param name="path">The path to the snippet.</param>
        public InsertSnippetFunction(string path)
        {
            if (String.IsNullOrWhiteSpace(path))
                throw new ArgumentException("path is null or whitespace.", "path");

            _path = path;
        }

        #endregion

        #region Properties

        /// <summary>
        /// The current document.
        /// </summary>
        private ITextEditorDocument CurrentDocument
        {
            get { return App.Instance.Content.ActiveDocument as ITextEditorDocument; }
        }

        #endregion

        #region Methods

        /// <summary>
        /// Set the header.
        /// </summary>
        /// <param name="host">The type of host.</param>
        /// <param name="presenter">The presenter to use.</param>
        public override void Init(FunctionHost host, IFunctionPresenter presenter)
        {
            string name = System.IO.Path.GetFileNameWithoutExtension(_path);

            if (host == FunctionHost.Toolbar)
            {
                presenter.Header = VisualHelper.CreateIconHeader(null, "Snippet.png");
                presenter.ToolTip = name;
            }
            else
            {
                presenter.Header = name;
                presenter.Icon = VisualHelper.CreateIconHeader(null, "Snippet.png");
            }
        }

        /// <summary>
        /// Comment out selected lines.
        /// </summary>
        public override void Execute()
        {
            if (CurrentDocument != null)
                CurrentDocument.InsertText(System.IO.File.ReadAllText(_path));
        }

        #endregion
    }
}
